Coaching assistant throwers spear is a proposed training with mechanical work. It can be mounted in any space, can also be used in education movements throwing effectively javelin and training through the mechanism of action interconnected start of the process of carrying a spear and sliding on the bandwagon in a way serving the flow of process flinging.

Patent:

This patent granted on the basis of the provisions of Article 21 of the Patent Act and Industrial Designs No. 65 of 1970 and the responsibility of the inventor